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Journal Articles

Influence of uranium enrichment on the etching rate of polycarbonate fission track detector containing uranium particles

Lee, C. G.; Iguchi, Kazunari; Esaka, Fumitaka; Magara, Masaaki; Sakurai, Satoshi; Watanabe, Kazuo; Usuda, Shigekazu

Nuclear Instruments and Methods in Physics Research B, 245(2), p.440 - 444, 2006/04

 Times Cited Count:7 Percentile:48.48(Instruments & Instrumentation)

The etching rates of fission track detectors made of polycarbonate containing uranium particles were measured after thermal neutron irradiation with fluence of 8$$times$$10$$^{14}$$ n/cm$$^{2}$$, in order to study the influence of uranium enrichment on the etching rate that was calculated from the weight loss by etching. There is a strong correlation between the etching rate of detector and the enrichment E of uranium particle: the former increases as the latter increases. Particularly, the etching rate per particle was proportional to E$$^{2/3}$$ rather than E$$^{1}$$, which is probably due to the overlapping of fission tracks. The etching behaviors of detector revealed that the existence of two different etching rate regions, a nonlinear region in the beginning of etching process and a subsequent constant region, which was explained as the opening of fission tracks and the broadening of opened tracks, respectively.

JAEA Reports

Study on radiation-induced deterioration of grease at high temperature, III; Development of radiation-thermal resistant grease

Arakawa, Kazuo; *; Sasuga, Tsuneo; *; *; *; Hagiwara, Miyuki; Seguchi, Tadao

JAERI-M 92-176, 32 Pages, 1992/11

JAERI-M-92-176.pdf:1.06MB

no abstracts in English

Journal Articles

Experimental and analytical results of carbon based materials under thermal shock heat loads for fusion application

Araki, Masanori; Akiba, Masato; Seki, Masahiro; Dairaku, Masayuki; Ise, Hideo*; Yamazaki, Seiichiro*; Tanaka, Shigeru;

Fusion Engineering and Design, 19, p.101 - 109, 1992/00

 Times Cited Count:15 Percentile:78.8(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

Study on radiation-induced degradation of grease at high temperature, II; Degradation behavior

Arakawa, Kazuo; *; Sasuga, Tsuneo; *; *; *; Hagiwara, Miyuki; Seguchi, Tadao

JAERI-M 90-133, 33 Pages, 1990/08

JAERI-M-90-133.pdf:1.13MB

no abstracts in English

Journal Articles

Oxygen exposure effect on sputtering yield and angular distribution for light-ion irradiation of polycrystalline molybdenum

; H.L.Bay*; J.Bohdansky*; J.Roth*

Nuclear Instruments and Methods in Physics Research B, 13, p.403 - 407, 1986/00

 Times Cited Count:12 Percentile:80.09(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Development of computer code PRECIP-II for calculation of Zr-steam reaction; Comparison of calculation with experiments in temperature transient

;

Journal of Nuclear Science and Technology, 17(4), p.291 - 300, 1980/00

 Times Cited Count:6 Percentile:58.81(Nuclear Science & Technology)

no abstracts in English

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